placing of the digit base on the value of the number a value much greater or less than the others in data set the number or numbers that occur most fequent in a set of data the most The difference between the greatest and least value in a data set. the middle number or the mean of the two middle numbers in a ordered set of data a mathematical sentence that shows that two expressions are equivalent an expression that contains at least one variable the sum of the items in a set of data divided by the number of items in the set; also called average. a value that does not change a symbol used to represent a quantity that can change a sequence in which the terms change by the same amount each time a bar graph that compares two related sets of data. an element or number in a sequence a graph that uses verticle or horizontal bars to display data to find the value of a numerical or algebraic expression a number line with marks or dots that show frequency. an orderd list of numbers to find the answer close to the exact answer by rounding or other methods 1.perform operations in parenthesis, 2. find the value of numbers with exponents,
3 multiply & divide from left to right as ordered in the problem, 4 add and subtract from left to right as ordered in the problem. compatible numbers or close to the numbers in the problem and they can help you do math mentally a bar graph that shows the frequency of data with an equal intervals a table that list items together according to the number of times or frequency that the items occur. when a number is raise to a power, the number that is used as a factor a graph that shows how two related sets of data change over time the number that indicates how many times the base is used as a factor. ch1 a graph that uses line segements to show how datat changes a number written using digits.
